Matter
Mixtures
Physical and Chemcial Changes
Acids and Bases
Metals and Nonmetals
100
extremely small particles that all matter is composed of
What is an atom?
100
toss salad
What is a heterogeneous mixture?
100
a pot of boiling water with steam rising upwards
What is a physical change
100
this substance has a bitter taste
What is a base?
100
term describing a substance with a shiny surface or one that reflects light
What is luster?
200
made of only one kind of atom
What is an element?
200
kool-aid
What is homogeneous mixture?
200
a slice of apple turning a brownish color
What is a chemical change?
200
this substance has a sour taste
What is an acid?
200
term used to describe the ability to be hammered into a shape
What is malleable?
300
made up of two or more different substances that keep their properties
What is a mixture?
300
Raisin Bran Cereal
What is a heterogenous mixture?
300
change in state, or a change in shape or size
What is the evidence of a phsycial change?
300
this substance has a pH lower than 7
What is an acid?
300
term used to describe a substance that can be easily broken or shattered into pieces
What is britte?
400
a mixture that is uniform throughout and parts are evenly mixed and cannot be visibly distinguished
What is a homegeneous mixture?
400
toss salad
What is a heterogenous mixture?
400
when you leave your bike outside for a long time the handle bars begin to rust
What is a chemical change?
400
5 characteristics of metals
What is having luster, be a conductor of heat and electricity, being malleable, being ductile, and having a high density?
500
tosss salad
What is a heterogeneous mixture?
500
milk
What is a homogenous mixture?
500
change in color. temperature change, formation of a precipitate, and the formation of a gas
What is the four evidences of a chemcial change?
500
has a pH of 7
What is a neutral substance?
500
ability to be drawn or pulled into a wire
What is ductile?
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